Sharp MD-C2 Service Manual page 79

ICF01 RH-iX0265AW00:System Control Microcomputer (iX0265AW)(3/3)
RUN PALSE
FP SW
CAM SW
Recognition of
destination
CE
CK
2
E PROM
Di
DO
C2/C3
CD–Hi
U/D SW
D–NO SW
O/C SW
PU–IN SW
ICD01 RH-iX0266AW00: FL Driver (iX0266AW)(1/3)
LED 1
LED 2
LED 3
LED 4
LED 5
LED 6
LED 7
LED 8
SY–DAT
SY–COM
SYSTEM SY–CLK
µ–CON
SY–STB
ON/STAND
LED 9
81 P87
82 P86
83 P85
84 P84
85 P83
86 P82
87 P81
88 P80
89 PA7
90 PA6
91 Vcc
92 PA5
93 PA4
94 PA3
95 PA2
96 PA1
97 PA0
98 VEE
99 AVss
100 Vref
SPEANA DiSP
µCOM
IN PUT
Figure 79-1 BLOCK DIAGRAM OF IC
P4
81 PG0
P3
82 PG1
P2
83 PG2
P1
84
PG3
85 P00
86 P01
87 P02
88 P03
89 Vss 2
DISPLAY CONTROL
90 V
2
DD
91 P04
RH-iX0266AWZZ
92 P05
93 P06
94 P07
95 SO0
96 Si0
97 SCK0
98 P13
99 P14
100 P15
Figure 79-2 BLOCK DIAGRAM OF IC
CD MD
FL FLD01
– 79 –
MD-C2
P16 50 S.W. MUT
SYS MUT
P17 49
P20 48
2
P21 47 I B CE
2
P22 46 I B SL
2
P23 45 I B Si
2
P24 44 I B SO
2
I B SD
P25 43
P26 42 H.P. SW
SP. PROTECT
P27 41
Vss 40
X out 39
X in 38
PB0 37 SURROUND ON/OFF
PB1 36
RES 35
P40 34 DEMO/STAND
P41 33 TUNER MUT
P42 32 CD FUNK
P43 31 SYS–STOP
15GX 36seg
S19 50
S18 49
48
S17
47
S16
V 3 46
DD
1G
T15 45
2G
T14 44
3G
T13 43
4G
T12 42
5G
T11 41
6G
T10 40
7G
T9 39
8G
T8 38
9G
T7 37
10G
36
T6
11G
35
T5
34
T4
12G
T3 33
13G
T2 32
14G
T1 31
15G